Analysis

  • max time kernel
    93s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 06:53

General

  • Target

    d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe

  • Size

    283KB

  • MD5

    1a8eac6293ff78c7b9069e87830cc8c7

  • SHA1

    6d73f90761d45ac64e9f6eb36da1e82756f2cee7

  • SHA256

    d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53

  • SHA512

    9f53782d65ee9d25537f7e0b075aa1df1c430f1c416014ebf4d10970ab504c388799068da07e78dfec7de4bf21457deb7f3c81f64a25b6e5b2872f85fa2472ae

  • SSDEEP

    6144:DMsGCiIVbgS/z41Pj2Hlmu8VsLIIiRHTHKJlo9agrEO:D/GCiibh7OiHlB8VsLI1rbEO

Malware Config

Extracted

Family

vidar

C2

http://147.45.126.10:80

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://charistmatwio.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://grassemenwji.shop/api

https://stitchmiscpaew.shop/api

https://commisionipwn.shop/api

Signatures

  • Detect Vidar Stealer 21 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe
    "C:\Users\Admin\AppData\Local\Temp\d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\ProgramData\BFIJEHCBAK.exe
        "C:\ProgramData\BFIJEHCBAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3724
      • C:\ProgramData\IDHDGDHJEG.exe
        "C:\ProgramData\IDHDGDHJEG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2152
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HDAAAAFIIJDB" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4336
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\BFIJEHCBAK.exe

    Filesize

    283KB

    MD5

    e1001c8649ac77faeb446d8ff91f50d2

    SHA1

    c2532c7b108ac61ca439cfd0a7992b26c89dc34b

    SHA256

    05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

    SHA512

    a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

  • C:\ProgramData\CGHDAKKJJJKJ\GCBGCA

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\ProgramData\IDHDGDHJEG.exe

    Filesize

    321KB

    MD5

    94c5abd0eccd77846b4e0f641906bb19

    SHA1

    3fb0119c89952f61aee14abbe693a293ee916439

    SHA256

    863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

    SHA512

    4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2152-135-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2152-131-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2152-133-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2204-113-0x0000000071F70000-0x0000000072720000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-115-0x0000000071F70000-0x0000000072720000-memory.dmp

    Filesize

    7.7MB

  • memory/2204-103-0x0000000071F7E000-0x0000000071F7F000-memory.dmp

    Filesize

    4KB

  • memory/2204-104-0x0000000000B50000-0x0000000000B9A000-memory.dmp

    Filesize

    296KB

  • memory/3724-136-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-153-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-154-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-139-0x0000000022230000-0x000000002248F000-memory.dmp

    Filesize

    2.4MB

  • memory/3724-106-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-137-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-114-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-109-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3724-138-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3844-129-0x0000000000200000-0x0000000000254000-memory.dmp

    Filesize

    336KB

  • memory/4512-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/4512-11-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-1-0x0000000000930000-0x000000000097A000-memory.dmp

    Filesize

    296KB

  • memory/4512-56-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4880-8-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-49-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-3-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-75-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-14-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-7-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-82-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-74-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-48-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-32-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-31-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-16-0x0000000022470000-0x00000000226CF000-memory.dmp

    Filesize

    2.4MB

  • memory/4880-83-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4880-15-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB